Redemption penalties are the sum of the following: (a) One-half (1/2) of one percent a month beginning July 1 of the year of sale to the government on the amount of sold taxes at the time of sale; (b) One-half (1/2) of one percent a month beginning July 1 of each subsequent year on unpaid taxes for which the property would have been sold to the government in that year if there had not been a previous sale. Provided, however, that the minimum penalty under this Section shall be Two Dollars ($2.00). SOURCE: GC § 19407.